Daikin Altherma 3 R F Installer's Reference Manual page 58

7 | Piping installation
Installer reference guide
58
Minimum water volume
There are no requirements for the minimum water volume.
INFORMATION
In critical processes, or in rooms with a high heat load, extra water might be
required.
a Individual room thermostat (optional)
b Overpressure bypass valve (delivered as accessory)
c Shut-off valve
Maximum water volume
Use the following graph to determine the maximum water volume for the
calculated pre-pressure.
a
2.4
2
1.5
1
0.5
0.3
20 50 100
a Pre-pressure (bar)
b Maximum water volume (l)
Example: Maximum water volume and expansion vessel pre-pressure
a a
M1 M2
c
c
a a
M1 M2
c c
150 200
a
M3
b
a
M3
b
250 290
ERLA03DAV3 + EHFZ03S18DJ3V
4P596821-1 – 2019.10
Daikin Altherma 3 R F